Finding the Third Proportional to 156,700 and 235,397
Calculator
Solution
The third proportional to 156,700 and 235,397 is: 353,616.77
Step by Step Solution
- Step 1: Write the proportion equation
156,700 : 235,397 = 235,397 : x - Step 2: Convert to fraction form
156,700/235,397 = 235,397/x - Step 3: Cross multiply
156,700x = 235,397 × 235,397 - Step 4: Simplify right side
156,700x = 55,411,747,609 - Step 5: Solve for x
x = 55,411,747,609/156,700 - Step 6: Final answer
x = 353,616.77
Related Problems
Find third proportional to 78,350 and 117,698.50
Half scale
Find third proportional to 313,400 and 470,794
Double scale
Find third proportional to 156,702 and 235,400
Similar ratio
Find third proportional to 235,050 and 353,095.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.